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[23.234.74.239]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-143243767e1sm29407770c88.6.2026.09.08.02.47.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Sep 2026 02:47:37 -0700 (PDT) From: Sergio Melas To: Guenter Roeck Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, Sergio Melas Subject: [PATCH v2] hwmon: (yogafan) Add support for new Lenovo models Date: Tue, 8 Sep 2026 11:47:16 +0200 Message-ID: <20260908094717.2224803-1-sergiomelas@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-hwmon@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add DMI quirk entries and map correct ACPI paths and configurations for additional Lenovo laptop models: Yoga 14cACN 2021, IdeaPad 3 15ALC6 Ub and Yoga 740-15IML, leveraging DMI product family matching. Signed-off-by: Sergio Melas --- v2: Split changes and addressed reviewer comments. --- drivers/hwmon/yogafan.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/hwmon/yogafan.c b/drivers/hwmon/yogafan.c index 413ddc721..aa3284560 100644 --- a/drivers/hwmon/yogafan.c +++ b/drivers/hwmon/yogafan.c @@ -53,6 +53,11 @@ struct yoga_fan_data { }; /* Specific configurations mapped via DMI */ +static const struct yogafan_config yoga_740_15iml_cfg = { + .multiplier = 100, + .fan_count = 1, + .paths = { "\\_SB.PCI0.LPCB.EC0.FANS", NULL } +}; static const struct yogafan_config yoga_8bit_fans_cfg = { .multiplier = 100, @@ -200,6 +205,30 @@ static const struct hwmon_chip_info yoga_fan_chip_info = { }; static const struct dmi_system_id yogafan_quirks[] = { + { + .ident = "Lenovo Yoga 740-15IML", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_FAMILY, "Yoga 740-15IML"), + }, + .driver_data = (void *)&yoga_740_15iml_cfg, + }, + { + .ident = "Lenovo IdeaPad 3 15ALC6 Ub", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_FAMILY, "IdeaPad 3 15ALC6 Ub"), + }, + .driver_data = (void *)&xiaoxin_8bit_dual_cfg, + }, + { + .ident = "Yoga 14cACN 2021", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_FAMILY, "Yoga 14cACN 2021"), + }, + .driver_data = (void *)&yoga_8bit_fans_cfg, + }, { .ident = "Lenovo LOQ 15IAX9", .matches = { -- 2.55.0